diff --git a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-10-02/blob.json b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-10-02/blob.json
index 5b5120e173b0..9877890b4975 100644
--- a/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-10-02/blob.json
+++ b/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-10-02/blob.json
@@ -5202,6 +5202,9 @@
           },
           {
             "$ref": "#/parameters/CopySourceBlobProperties"
+          },
+          {
+            "$ref": "#/parameters/CopySourceAuthorization"
           }
         ],
         "responses": {
@@ -6892,6 +6895,9 @@
           },
           {
             "$ref": "#/parameters/LegalHoldOptional"
+          },
+          {
+            "$ref": "#/parameters/CopySourceAuthorization"
           }
         ],
         "responses": {
@@ -7472,6 +7478,9 @@
           },
           {
             "$ref": "#/parameters/ClientRequestId"
+          },
+          {
+            "$ref": "#/parameters/CopySourceAuthorization"
           }
         ],
         "responses": {
@@ -8265,6 +8274,9 @@
           },
           {
             "$ref": "#/parameters/ClientRequestId"
+          },
+          {
+            "$ref": "#/parameters/CopySourceAuthorization"
           }
         ],
         "responses": {
@@ -9198,6 +9210,9 @@
           },
           {
             "$ref": "#/parameters/ClientRequestId"
+          },
+          {
+            "$ref": "#/parameters/CopySourceAuthorization"
           }
         ],
         "responses": {
@@ -12097,6 +12112,15 @@
       "x-ms-parameter-location": "method",
       "description": "Specifies the name of the source page blob snapshot. This value is a URL of up to 2 KB in length that specifies a page blob snapshot. The value should be URL-encoded as it would appear in a request URI. The source blob must either be public or must be authenticated via a shared access signature."
     },
+    "CopySourceAuthorization": {
+      "name": "x-ms-copy-source-authorization",
+      "x-ms-client-name": "copySourceAuthorization",
+      "in": "header",
+      "required": false,
+      "type": "string",
+      "x-ms-parameter-location": "method",
+      "description": "Only Bearer type is supported. Credentials should be a valid OAuth access token to copy source."
+    },
     "CopySourceBlobProperties": {
       "name": "x-ms-copy-source-blob-properties",
       "x-ms-client-name": "copySourceBlobProperties",
diff --git a/specification/storage/data-plane/Microsoft.FileStorage/preview/2020-10-02/file.json b/specification/storage/data-plane/Microsoft.FileStorage/preview/2020-10-02/file.json
index 8cc63e267c42..db1891277f98 100644
--- a/specification/storage/data-plane/Microsoft.FileStorage/preview/2020-10-02/file.json
+++ b/specification/storage/data-plane/Microsoft.FileStorage/preview/2020-10-02/file.json
@@ -4333,6 +4333,9 @@
                     },
                     {
                         "$ref": "#/parameters/LeaseIdOptional"
+                    },
+                    {
+                        "$ref": "#/parameters/CopySourceAuthorization"
                     }
                 ],
                 "responses": {
@@ -5719,6 +5722,15 @@
             "x-ms-parameter-location": "method",
             "description": "Specifies the URL of the source file or blob, up to 2 KB in length. To copy a file to another file within the same storage account, you may use Shared Key to authenticate the source file. If you are copying a file from another storage account, or if you are copying a blob from the same storage account or another storage account, then you must authenticate the source file or blob using a shared access signature. If the source is a public blob, no authentication is required to perform the copy operation. A file in a share snapshot can also be specified as a copy source."
         },
+        "CopySourceAuthorization": {
+            "name": "x-ms-copy-source-authorization",
+            "x-ms-client-name": "copySourceAuthorization",
+            "in": "header",
+            "required": false,
+            "type": "string",
+            "x-ms-parameter-location": "method",
+            "description": "Only Bearer type is supported. Credentials should be a valid OAuth access token to copy source."
+        },
         "FileCopyPermissionCopyMode": {
             "name": "x-ms-file-permission-copy-mode",
             "x-ms-client-name": "filePermissionCopyMode",